AM79C90
AM79C90 is CMOS Local Area Network Controller for Ethernet manufactured by Advanced Micro Devices.
PRELIMINARY
CMOS Local Area Network Controller for Ethernet (C-LANCE)
DISTINCTIVE CHARACTERISTICS s patible with Ethernet and IEEE 802.3 10BASE-5 Type A, and 10BASE-2 Type B, “Cheapernet,” 10BASE-T s Easily interfaced with 80x86, 680x0, Am29000®, Z8000™ microprocessors s On-board DMA and buffer management, 64-byte Receive, 48-byte Transmit FIFOs s 24-bit-wide linear addressing (Bus Master Mode) s Network and packet error reporting s Back-to-back packet reception with as little as 0.5 µs interframe spacing s Diagnostic Routines
- Internal/external loopback
- CRC logic check
- Time domain reflectometer s Low power consumption for power-sensitive applications s pletely software-...